Home / 18,171.24-27,259.38-17,845.62

Finding the Fourth Proportional to 18,171.24, 27,259.38 and 17,845.62

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Solution

The fourth proportional to 18,171.24, 27,259.38 and 17,845.62 is: 26,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.24 : 27,259.38 = 17,845.62 : x
  2. Step 2: Convert to fraction form
    18,171.24/27,259.38 = 17,845.62/x
  3. Step 3: Cross multiply
    18,171.24x = 27,259.38 × 17,845.62
  4. Step 4: Simplify right side
    18,171.24x = 486,460,536.92
  5. Step 5: Solve for x
    x = 486,460,536.92/18,171.24
  6. Step 6: Final answer
    x = 26,770.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.